The Relationship between Routine Blood Parameters and the Prognosis of COVID-19 Patients in the Emergency Department

Figure 1

The ROC curves of parameters NLR, MLR, and PLR in the diagnosis of severe COVID-19 on admission. NLR + MLR: the integration parameters of MLR and NLR; NLR + PLR: the integration parameters of PLR and NLR; NLR + MLR + PLR: the integration parameters of PLR, MLR, and NLR; MLR + NEU: the integration parameters of MLR and neutrophils.